Diversity and Eco-Physiological Responses of Aquatic Plants PDF Download
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Author: Chunhua Liu
Publisher: Frontiers Media SA
ISBN: 2889637972
Category :
Languages : en
Pages : 239
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Book Description
Aquatic plants refer to a diverse group of aquatic photosynthetic organisms large enough to be seem with the naked eye, and the vegetative parts of which actively grow either permanently or periodically (for at least several weeks each year) submerged below, floating on, or growing up through the water surface. These include aquatic vascular plants, aquatic mosses and some larger algae. Aquatic plants are grouped into life forms, each of which relates differently to limiting factors and has distinct ecological functions in aquatic ecosystems. Life form groups include emergent macrophytes (plants that are rooted in sediment or soils that are periodically inundated, with all other structures extending into the air), floating-leaved macrophytes (rooted plants with leaves that float on the water surface), submersed macrophytes (rooted plants growing completely submerged), free submerged macrophytes (which are not rooted but attached to other macrophytes or submerged structures) and free-floating macrophytes (plants that float on the water surface). Aquatic plants play an important role in the structure and function of aquatic ecosystems by altering water movement regimes, providing shelter and refuge and serving as a food source. In addition, aquatic plants produce large standing crops which can also stabilize sediments, accumulate large amounts of nutrients thus improving water healthy. Thus, because of their ecological role, aquatic plants are an important component of aquatic ecosystems. Aquatic plants are very vulnerable to human activities and global changes, and many species of the plants had become endangered in the past several decades due to habitat loss, flooding, damming, over foraging, biological invasion and eutrophication, which might not be halted but enforced in the future when more extreme weathers coincide with enhanced human activities.
Author: Chunhua Liu
Publisher: Frontiers Media SA
ISBN: 2889637972
Category :
Languages : en
Pages : 239
Get Book Here
Book Description
Aquatic plants refer to a diverse group of aquatic photosynthetic organisms large enough to be seem with the naked eye, and the vegetative parts of which actively grow either permanently or periodically (for at least several weeks each year) submerged below, floating on, or growing up through the water surface. These include aquatic vascular plants, aquatic mosses and some larger algae. Aquatic plants are grouped into life forms, each of which relates differently to limiting factors and has distinct ecological functions in aquatic ecosystems. Life form groups include emergent macrophytes (plants that are rooted in sediment or soils that are periodically inundated, with all other structures extending into the air), floating-leaved macrophytes (rooted plants with leaves that float on the water surface), submersed macrophytes (rooted plants growing completely submerged), free submerged macrophytes (which are not rooted but attached to other macrophytes or submerged structures) and free-floating macrophytes (plants that float on the water surface). Aquatic plants play an important role in the structure and function of aquatic ecosystems by altering water movement regimes, providing shelter and refuge and serving as a food source. In addition, aquatic plants produce large standing crops which can also stabilize sediments, accumulate large amounts of nutrients thus improving water healthy. Thus, because of their ecological role, aquatic plants are an important component of aquatic ecosystems. Aquatic plants are very vulnerable to human activities and global changes, and many species of the plants had become endangered in the past several decades due to habitat loss, flooding, damming, over foraging, biological invasion and eutrophication, which might not be halted but enforced in the future when more extreme weathers coincide with enhanced human activities.
Author: Erik Jeppesen
Publisher: Springer Science & Business Media
ISBN: 1461206952
Category : Science
Languages : en
Pages : 442
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Book Description
The rapid growth of the discipline of aquatic ecology has been driven both by scientific interest in the complexities of aquatic ecosystems and by their enormous environmental importance and sensitivity. This book focuses on the remarkably diverse roles played by underwater plants, and is divided into three parts: 10 thematic chapters, followed by 18 case studies, and rounded off by three integrative chapters. The topics range from macrophytes as fish food to macrophytes as mollusc and microbe habitat, making this of interest to aquatic ecologists as well as limnologists, ecosystem ecologists, microbial ecologists, fish biologists, and environmental managers.
Author: J. B. Lachavanne
Publisher: Taylor & Francis
ISBN: 9789231033520
Category : Science
Languages : en
Pages : 330
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Book Description
Philosophers, writers and scientists, from cell biologists to ecologists, have long recognized the special nature of boundaries and interface areas of all kinds. Among ecologists in particular, there has been an upsurge in interest in the sensitive boundary areas of interaction between ecosystems, which are called 'ecotones' and which are often characterized by higher biological diversity than adjacent areas.
Author: Edward Reekie
Publisher: Elsevier
ISBN: 008045433X
Category : Science
Languages : en
Pages : 261
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Book Description
Much effort has been devoted to developing theories to explain the wide variation we observe in reproductive allocation among environments. Reproductive Allocation in Plants describes why plants differ in the proportion of their resources that they allocate to reproduction and looks into the various theories. This book examines the ecological and evolutionary explanations for variation in plant reproductive allocation from the perspective of the underlying physiological mechanisms controlling reproduction and growth. An international team of leading experts have prepared chapters summarizing the current state of the field and offering their views on the factors determining reproductive allocation in plants. This will be a valuable resource for senior undergraduate students, graduate students and researchers in ecology, plant ecophysiology, and population biology. 8 outstanding chapters dedicated to the evolution and ecology of variation in plant reproductive allocation Written by an international team of leading experts in the field Provides enough background information to make it accessible to senior undergraduate students Includes over 60 figures and 29 tables
Author: A. H. Fitter
Publisher: Academic Press
ISBN: 9780122577659
Category : Science
Languages : en
Pages : 450
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Book Description
Plant growth and development; The influence of the environment; Evolution of adaptation Comparative ecology and phylogeny; The Acquisition of Resources; Energy and Carbon; The radiation environment; Radiation; lrradiance; Temporal variation; Leaf canopies; Effects of spectral distribution of radiation on plants; Perception; Germination; Morphogenesis; Placement; Flowering; Effects of irradiance on plants; Responses to low irradiance; Photosynthesis at high irradiance; Responses to elevated carbon dioxide concentrations; Photosynthetic responses; Whole-plant responses; Mineral Nutrients; Nutrients in the soi! system; Soi! diversity; Concentrations; lon exchange; Cycles; Transport; Limiting steps; Physiology of ion uptake; Kinetics; Interactions; Regulation Morphological responses; Root fraction; Root diameter and root hairs; Root density and distribution; Turnover; Soil micro-organisms; The nature of the rhizosphere; Nitrogen f; lXation; Mycorrhizas; General patterns of response to soil nutrients; Water; Properties of water; The water relations ofplants and soils; Water potencial; The water relations of plant cells; Plant water stress; Supply of water by the soil; Loss of water from transpiring leaves; Water movement in whole plants; Adaptations favouring germination and seedling; establishment in dry environments; Adaptations favouring survival and reproduction under conditions ofwater shortage; Acquisition of water; Conservation and use of water; Tolerance of desiccation; Contrasting life histories in arid environments; Some special problems in tree/water relations; Vascular system; Leaves; Responses to Environmental Stress; Temperature; The temperature relations of plants; The thermal environment of plants; The temperature relations of plant processes; Plant development; Plant growth and metabolism; Responses to changes in the thermal environment; Plant adaptation and resistance to low temperature; The influence of low temperature on plants; Characteristic features of cold climates: Arctic and Alpine environments, temperate winters; Adaptations favouring plant growth and development in Arctic and Alpine regions; Adaptations favouring survival of cold winters: dormancy; Adaptations favouring survival of cold winters: plant resistance to freezing injury; Life in a warmer world: the case of the Arctic Tundra; The survival of plants exposed to high temperatures; Fire; The influence of rire on plants and communities; Life histories in the Kwongan: ephemerals, obligate seeders and resprouters; Toxicity; The nature of toxicity; Toxic environments; Salt-affected soils; Calcareous and acid soils; Metal-contaminated soils; Waterlogged soils; Air pollution; Oxidative damage; The influence of toxins on plants; Acquisition of resources; Utilization of resources; Resistance to toxicity; Escape; Exclusion; Amelioration; Tolerance; Phytoremediation: biotechnology to detoxify soils; The origin of resistance: the genetic basis; An Ecological Perspective; The individual plant; lnteractions among plants; Mechanisms of competition; The occurrence, extent and ecological effects of competition; lnteractions between plants and other organisms; Strategies; Dynamics.
Author: Wuncheng (Woodrow) Wang
Publisher: CRC Press
ISBN: 9781420048711
Category : Technology & Engineering
Languages : en
Pages : 580
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Book Description
One of the problems of using plants in environmental studies is finding current information. Because plants play a key role in environmental studies, from the greenhouse effect to environmental toxicological studies, information is widely scattered over many different fields and in many different sources. Plants for Environmental Studies solves that problem with a single, comprehensive source of information on the many ways plants are used in environmental studies. Written by experts from around the world and edited by a team of prominent environmental specialists, this book is the only source of complete information on environmental impacts, mutation, statistical analyses, relationships between plants and water, algae, plants in ecological risk assessment, compound accumulations, and more. Encompassing algae and vascular plants in both aquatic and terrestrial environments, this book contains a diverse collection of laboratory and in situ studies, methods, and procedures using plants to evaluate air, water, wastewater, sediment, and soil.
Author: Smithsonian Science Information Exchange
Publisher:
ISBN:
Category : Environmental health
Languages : en
Pages : 1478
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Book Description
Author: Rudi Appels
Publisher: Sydney University Press
ISBN: 1920899081
Category : Science
Languages : en
Pages : 349
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Book Description
The papers herein are volume 1 of the proceedings of the 11th International Wheat Genetics Symposium, held in Brisbane, Australia, in 2008. The series presents the science of the genetic sciences applied to bread and durum wheats and other species.
Author: Kaixiong Xing
Publisher: Frontiers Media SA
ISBN: 283253788X
Category : Science
Languages : en
Pages : 356
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Book Description
Plants require a proper balance of matter and energy to maintain their survival and reproduction. Biotic and/or abiotic stresses in diverse environments could influence plant photosynthesis, water and nutrient acquisition and utilization. Through the lens of plant physiological and functional ecology, the study of responses of individual plant traits and/or integration of plant responses to environmental change has been well developed. The variation of plant physiological characteristics and functional traits has been recognized with hundreds of high-quality papers on topics of plant responses to environmental stresses. For now, despite the increasing number of studies trying to establish a linkage between plant physiological processes and functional traits, these covariations have received limited theoretical and experimental verification. This knowledge gap hampers our ability to understand and predict the comprehensive responses of plants to environmental stresses at different scales.
Author: Malcolm C. Press
Publisher: Cambridge University Press
ISBN: 9780521549295
Category : Science
Languages : en
Pages : 510
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Book Description
The last decade has seen rapid and major advances in our understanding of the physiological ecology of plants. This volume reviews some of these advances and new challenges. The chapters cover five broad themes: resource acquisition and utilization; interactions between organisms; responses to global environmental changes; ecosystems; and integration and scaling. This book brings together an unrivalled collection of leading practitioners in the discipline from North America, Europe and Australia and adopts a broad approach, ranging from the molecular to the ecosystem level. It has proven a valuable tool for researchers and advanced students in the discipline.
